Предмет: Физика, автор: sar634Sar2k19

Вагон массой 60 m,движущийся со скоростью 3 м/c сталкивается с неподвижным вагоном массой 40 m и сцепился с ним.Чему равна скорость (м/с) обеих тележек после столкновения?

Ответы

Автор ответа: tana20101997

0

Ответ:

Объяснение:

По закону сохранения импульса m1*V1=(m1+m2)*V V=m1*V1/(m1+m2)=60*3/(60+40)=1,8 м/с

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